:root{
  /* Shadows are cool-neutral and low-spread. Never colored glows. */
  --shadow-none:none;
  --shadow-xs:0 1px 2px rgba(1,42,94,.06);
  --shadow-sm:0 1px 3px rgba(1,42,94,.08),0 1px 2px rgba(1,42,94,.04);
  --shadow-md:0 2px 6px rgba(1,42,94,.08),0 1px 2px rgba(1,42,94,.04);
  --shadow-lg:0 8px 24px rgba(1,42,94,.10),0 2px 6px rgba(1,42,94,.06);
  --shadow-xl:0 20px 48px rgba(1,42,94,.16);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.6);
  --overlay-scrim:rgba(1,28,63,.45);
}